Repository: qpid-jms Updated Branches: refs/heads/master 8b368bc73 -> d1f0b32ba
rename+repackage the generated selector parser Project: http://git-wip-us.apache.org/repos/asf/qpid-jms/repo Commit: http://git-wip-us.apache.org/repos/asf/qpid-jms/commit/ca69a07c Tree: http://git-wip-us.apache.org/repos/asf/qpid-jms/tree/ca69a07c Diff: http://git-wip-us.apache.org/repos/asf/qpid-jms/diff/ca69a07c Branch: refs/heads/master Commit: ca69a07cd9455c47d477370031b94adeb0af20e1 Parents: 8b368bc Author: Robert Gemmell <rob...@apache.org> Authored: Tue Mar 3 14:16:50 2015 +0000 Committer: Robert Gemmell <rob...@apache.org> Committed: Tue Mar 3 14:16:50 2015 +0000 ---------------------------------------------------------------------- .../qpid/jms/selector/SelectorParser.java | 4 +- .../src/main/javacc/SelectorParserImpl.jj | 566 +++++++++++++++++++ qpid-jms-client/src/main/javacc/StrictParser.jj | 566 ------------------- 3 files changed, 568 insertions(+), 568 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/qpid-jms/blob/ca69a07c/qpid-jms-client/src/main/java/org/apache/qpid/jms/selector/SelectorParser.java ---------------------------------------------------------------------- diff --git a/qpid-jms-client/src/main/java/org/apache/qpid/jms/selector/SelectorParser.java b/qpid-jms-client/src/main/java/org/apache/qpid/jms/selector/SelectorParser.java index 28b96d9..87e74b2 100644 --- a/qpid-jms-client/src/main/java/org/apache/qpid/jms/selector/SelectorParser.java +++ b/qpid-jms-client/src/main/java/org/apache/qpid/jms/selector/SelectorParser.java @@ -20,7 +20,7 @@ import java.io.StringReader; import org.apache.qpid.jms.selector.filter.BooleanExpression; import org.apache.qpid.jms.selector.filter.FilterException; -import org.apache.qpid.jms.selector.strict.StrictParser; +import org.apache.qpid.jms.selector.parser.SelectorParserImpl; public class SelectorParser { @@ -35,7 +35,7 @@ public class SelectorParser { } else { try { BooleanExpression e = null; - StrictParser parser = new StrictParser(new StringReader(sql)); + SelectorParserImpl parser = new SelectorParserImpl(new StringReader(sql)); e = parser.JmsSelector(); cache.put(sql, e); return e; http://git-wip-us.apache.org/repos/asf/qpid-jms/blob/ca69a07c/qpid-jms-client/src/main/javacc/SelectorParserImpl.jj ---------------------------------------------------------------------- diff --git a/qpid-jms-client/src/main/javacc/SelectorParserImpl.jj b/qpid-jms-client/src/main/javacc/SelectorParserImpl.jj new file mode 100755 index 0000000..c60b7ee --- /dev/null +++ b/qpid-jms-client/src/main/javacc/SelectorParserImpl.jj @@ -0,0 +1,566 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// ---------------------------------------------------------------------------- +// OPTIONS +// ---------------------------------------------------------------------------- +options { + STATIC = false; + UNICODE_INPUT = true; + // some performance optimizations + ERROR_REPORTING = false; +} + +// ---------------------------------------------------------------------------- +// PARSER +// ---------------------------------------------------------------------------- + +PARSER_BEGIN(SelectorParserImpl) +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.qpid.jms.selector.parser; + +import java.io.*; +import java.util.*; + +import org.apache.qpid.jms.selector.filter.*; + +/** + * JMS Selector Parser generated by JavaCC + * + * Do not edit this .java file directly - it is generated from SelectorParserImpl.jj + */ +public class SelectorParserImpl { + private BooleanExpression asBooleanExpression(Expression value) throws ParseException { + if (value instanceof BooleanExpression) { + return (BooleanExpression) value; + } + if (value instanceof PropertyExpression) { + return UnaryExpression.createBooleanCast( value ); + } + throw new ParseException("Expression will not result in a boolean value: " + value); + } +} + +PARSER_END(SelectorParserImpl) + +// ---------------------------------------------------------------------------- +// Tokens +// ---------------------------------------------------------------------------- + +/* White Space */ +SPECIAL_TOKEN : +{ + " " | "\t" | "\n" | "\r" | "\f" +} + +/* Comments */ +SKIP: +{ + <LINE_COMMENT: "--" (~["\n","\r"])* ("\n"|"\r"|"\r\n") > +} + +SKIP: +{ + <BLOCK_COMMENT: "/*" (~["*"])* "*" ("*" | (~["*","/"] (~["*"])* "*"))* "/"> +} + +/* Reserved Words */ +TOKEN [IGNORE_CASE] : +{ + < NOT : "NOT"> + | < AND : "AND"> + | < OR : "OR"> + | < BETWEEN : "BETWEEN"> + | < LIKE : "LIKE"> + | < ESCAPE : "ESCAPE"> + | < IN : "IN"> + | < IS : "IS"> + | < TRUE : "TRUE" > + | < FALSE : "FALSE" > + | < NULL : "NULL" > +} + +/* Literals */ +TOKEN [IGNORE_CASE] : +{ + + < DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* (["l","L"])? > + | < HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > + | < OCTAL_LITERAL: "0" (["0"-"7"])* > + | < FLOATING_POINT_LITERAL: + (["0"-"9"])+ "." (["0"-"9"])* (<EXPONENT>)? // matches: 5.5 or 5. or 5.5E10 or 5.E10 + | "." (["0"-"9"])+ (<EXPONENT>)? // matches: .5 or .5E10 + | (["0"-"9"])+ <EXPONENT> // matches: 5E10 + > + | < #EXPONENT: "E" (["+","-"])? (["0"-"9"])+ > + | < STRING_LITERAL: "'" ( ("''") | ~["'"] )* "'" > +} + +TOKEN [IGNORE_CASE] : +{ + < ID : ["a"-"z", "_", "$"] (["a"-"z","0"-"9","_", "$"])* > + | < QUOTED_ID : "\"" ( ("\"\"") | ~["\""] )* "\"" > +} + +// ---------------------------------------------------------------------------- +// Grammer +// ---------------------------------------------------------------------------- +BooleanExpression JmsSelector() : +{ + Expression left=null; +} +{ + ( + left = orExpression() + ) + { + return asBooleanExpression(left); + } + +} + +Expression orExpression() : +{ + Expression left; + Expression right; +} +{ + ( + left = andExpression() + ( + <OR> right = andExpression() + { + left = LogicExpression.createOR(asBooleanExpression(left), asBooleanExpression(right)); + } + )* + ) + { + return left; + } + +} + + +Expression andExpression() : +{ + Expression left; + Expression right; +} +{ + ( + left = equalityExpression() + ( + <AND> right = equalityExpression() + { + left = LogicExpression.createAND(asBooleanExpression(left), asBooleanExpression(right)); + } + )* + ) + { + return left; + } +} + +Expression equalityExpression() : +{ + Expression left; + Expression right; +} +{ + ( + left = comparisonExpression() + ( + + "=" right = comparisonExpression() + { + left = ComparisonExpression.createEqual(left, right); + } + | + "<>" right = comparisonExpression() + { + left = ComparisonExpression.createNotEqual(left, right); + } + | + LOOKAHEAD(2) + <IS> <NULL> + { + left = ComparisonExpression.createIsNull(left); + } + | + <IS> <NOT> <NULL> + { + left = ComparisonExpression.createIsNotNull(left); + } + )* + ) + { + return left; + } +} + +Expression comparisonExpression() : +{ + Expression left; + Expression right; + Expression low; + Expression high; + String t, u; + boolean not; + ArrayList list; +} +{ + ( + left = addExpression() + ( + + ">" right = addExpression() + { + left = ComparisonExpression.createGreaterThan(left, right); + } + | + ">=" right = addExpression() + { + left = ComparisonExpression.createGreaterThanEqual(left, right); + } + | + "<" right = addExpression() + { + left = ComparisonExpression.createLessThan(left, right); + } + | + "<=" right = addExpression() + { + left = ComparisonExpression.createLessThanEqual(left, right); + } + | + { + u=null; + } + <LIKE> t = stringLitteral() + [ <ESCAPE> u = stringLitteral() ] + { + left = ComparisonExpression.createLike(left, t, u); + } + | + LOOKAHEAD(2) + { + u=null; + } + <NOT> <LIKE> t = stringLitteral() [ <ESCAPE> u = stringLitteral() ] + { + left = ComparisonExpression.createNotLike(left, t, u); + } + | + <BETWEEN> low = addExpression() <AND> high = addExpression() + { + left = ComparisonExpression.createBetween(left, low, high); + } + | + LOOKAHEAD(2) + <NOT> <BETWEEN> low = addExpression() <AND> high = addExpression() + { + left = ComparisonExpression.createNotBetween(left, low, high); + } + | + <IN> + "(" + t = stringLitteral() + { + list = new ArrayList(); + list.add( t ); + } + ( + "," + t = stringLitteral() + { + list.add( t ); + } + + )* + ")" + { + left = ComparisonExpression.createInFilter(left, list); + } + | + LOOKAHEAD(2) + <NOT> <IN> + "(" + t = stringLitteral() + { + list = new ArrayList(); + list.add( t ); + } + ( + "," + t = stringLitteral() + { + list.add( t ); + } + + )* + ")" + { + left = ComparisonExpression.createNotInFilter(left, list); + } + + )* + ) + { + return left; + } +} + +Expression addExpression() : +{ + Expression left; + Expression right; +} +{ + left = multExpr() + ( + LOOKAHEAD( ("+"|"-") multExpr()) + ( + "+" right = multExpr() + { + left = ArithmeticExpression.createPlus(left, right); + } + | + "-" right = multExpr() + { + left = ArithmeticExpression.createMinus(left, right); + } + ) + + )* + { + return left; + } +} + +Expression multExpr() : +{ + Expression left; + Expression right; +} +{ + left = unaryExpr() + ( + "*" right = unaryExpr() + { + left = ArithmeticExpression.createMultiply(left, right); + } + | + "/" right = unaryExpr() + { + left = ArithmeticExpression.createDivide(left, right); + } + | + "%" right = unaryExpr() + { + left = ArithmeticExpression.createMod(left, right); + } + + )* + { + return left; + } +} + + +Expression unaryExpr() : +{ + String s=null; + Expression left=null; +} +{ + ( + LOOKAHEAD( "+" unaryExpr() ) + "+" left=unaryExpr() + | + "-" left=unaryExpr() + { + left = UnaryExpression.createNegate(left); + } + | + <NOT> left=unaryExpr() + { + left = UnaryExpression.createNOT( asBooleanExpression(left) ); + } + | + left = primaryExpr() + ) + { + return left; + } + +} + +Expression primaryExpr() : +{ + Expression left=null; +} +{ + ( + left = literal() + | + left = variable() + | + "(" left = orExpression() ")" + ) + { + return left; + } +} + + + +ConstantExpression literal() : +{ + Token t; + String s; + ConstantExpression left=null; +} +{ + ( + ( + s = stringLitteral() + { + left = new ConstantExpression(s); + } + ) + | + ( + t = <DECIMAL_LITERAL> + { + left = ConstantExpression.createFromDecimal(t.image); + } + ) + | + ( + t = <HEX_LITERAL> + { + left = ConstantExpression.createFromHex(t.image); + } + ) + | + ( + t = <OCTAL_LITERAL> + { + left = ConstantExpression.createFromOctal(t.image); + } + ) + | + ( + t = <FLOATING_POINT_LITERAL> + { + left = ConstantExpression.createFloat(t.image); + } + ) + | + ( + <TRUE> + { + left = ConstantExpression.TRUE; + } + ) + | + ( + <FALSE> + { + left = ConstantExpression.FALSE; + } + ) + | + ( + <NULL> + { + left = ConstantExpression.NULL; + } + ) + ) + { + return left; + } +} + +String stringLitteral() : +{ + Token t; + StringBuffer rc = new StringBuffer(); + boolean first=true; +} +{ + t = <STRING_LITERAL> + { + // Decode the sting value. + String image = t.image; + for( int i=1; i < image.length()-1; i++ ) { + char c = image.charAt(i); + if( c == '\'' ) + i++; + rc.append(c); + } + return rc.toString(); + } +} + +PropertyExpression variable() : +{ + Token t; + PropertyExpression left=null; +} +{ + ( + t=<ID> + { + left = new PropertyExpression(t.image); + } + | + t = <QUOTED_ID> + { + // Decode the string value. + StringBuffer rc = new StringBuffer(); + String image = t.image; + for( int i=1; i < image.length()-1; i++ ) { + char c = image.charAt(i); + if( c == '"' ) + i++; + rc.append(c); + } + return new PropertyExpression(rc.toString()); + } + ) + { + return left; + } +} http://git-wip-us.apache.org/repos/asf/qpid-jms/blob/ca69a07c/qpid-jms-client/src/main/javacc/StrictParser.jj ---------------------------------------------------------------------- diff --git a/qpid-jms-client/src/main/javacc/StrictParser.jj b/qpid-jms-client/src/main/javacc/StrictParser.jj deleted file mode 100755 index bf1bec5..0000000 --- a/qpid-jms-client/src/main/javacc/StrictParser.jj +++ /dev/null @@ -1,566 +0,0 @@ -/** - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// ---------------------------------------------------------------------------- -// OPTIONS -// ---------------------------------------------------------------------------- -options { - STATIC = false; - UNICODE_INPUT = true; - // some performance optimizations - ERROR_REPORTING = false; -} - -// ---------------------------------------------------------------------------- -// PARSER -// ---------------------------------------------------------------------------- - -PARSER_BEGIN(StrictParser) -/** - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.qpid.jms.selector.strict; - -import java.io.*; -import java.util.*; - -import org.apache.qpid.jms.selector.filter.*; - -/** - * JMS Selector Parser generated by JavaCC - * - * Do not edit this .java file directly - it is autogenerated from StrictParser.jj - */ -public class StrictParser { - private BooleanExpression asBooleanExpression(Expression value) throws ParseException { - if (value instanceof BooleanExpression) { - return (BooleanExpression) value; - } - if (value instanceof PropertyExpression) { - return UnaryExpression.createBooleanCast( value ); - } - throw new ParseException("Expression will not result in a boolean value: " + value); - } -} - -PARSER_END(StrictParser) - -// ---------------------------------------------------------------------------- -// Tokens -// ---------------------------------------------------------------------------- - -/* White Space */ -SPECIAL_TOKEN : -{ - " " | "\t" | "\n" | "\r" | "\f" -} - -/* Comments */ -SKIP: -{ - <LINE_COMMENT: "--" (~["\n","\r"])* ("\n"|"\r"|"\r\n") > -} - -SKIP: -{ - <BLOCK_COMMENT: "/*" (~["*"])* "*" ("*" | (~["*","/"] (~["*"])* "*"))* "/"> -} - -/* Reserved Words */ -TOKEN [IGNORE_CASE] : -{ - < NOT : "NOT"> - | < AND : "AND"> - | < OR : "OR"> - | < BETWEEN : "BETWEEN"> - | < LIKE : "LIKE"> - | < ESCAPE : "ESCAPE"> - | < IN : "IN"> - | < IS : "IS"> - | < TRUE : "TRUE" > - | < FALSE : "FALSE" > - | < NULL : "NULL" > -} - -/* Literals */ -TOKEN [IGNORE_CASE] : -{ - - < DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* (["l","L"])? > - | < HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ > - | < OCTAL_LITERAL: "0" (["0"-"7"])* > - | < FLOATING_POINT_LITERAL: - (["0"-"9"])+ "." (["0"-"9"])* (<EXPONENT>)? // matches: 5.5 or 5. or 5.5E10 or 5.E10 - | "." (["0"-"9"])+ (<EXPONENT>)? // matches: .5 or .5E10 - | (["0"-"9"])+ <EXPONENT> // matches: 5E10 - > - | < #EXPONENT: "E" (["+","-"])? (["0"-"9"])+ > - | < STRING_LITERAL: "'" ( ("''") | ~["'"] )* "'" > -} - -TOKEN [IGNORE_CASE] : -{ - < ID : ["a"-"z", "_", "$"] (["a"-"z","0"-"9","_", "$"])* > - | < QUOTED_ID : "\"" ( ("\"\"") | ~["\""] )* "\"" > -} - -// ---------------------------------------------------------------------------- -// Grammer -// ---------------------------------------------------------------------------- -BooleanExpression JmsSelector() : -{ - Expression left=null; -} -{ - ( - left = orExpression() - ) - { - return asBooleanExpression(left); - } - -} - -Expression orExpression() : -{ - Expression left; - Expression right; -} -{ - ( - left = andExpression() - ( - <OR> right = andExpression() - { - left = LogicExpression.createOR(asBooleanExpression(left), asBooleanExpression(right)); - } - )* - ) - { - return left; - } - -} - - -Expression andExpression() : -{ - Expression left; - Expression right; -} -{ - ( - left = equalityExpression() - ( - <AND> right = equalityExpression() - { - left = LogicExpression.createAND(asBooleanExpression(left), asBooleanExpression(right)); - } - )* - ) - { - return left; - } -} - -Expression equalityExpression() : -{ - Expression left; - Expression right; -} -{ - ( - left = comparisonExpression() - ( - - "=" right = comparisonExpression() - { - left = ComparisonExpression.createEqual(left, right); - } - | - "<>" right = comparisonExpression() - { - left = ComparisonExpression.createNotEqual(left, right); - } - | - LOOKAHEAD(2) - <IS> <NULL> - { - left = ComparisonExpression.createIsNull(left); - } - | - <IS> <NOT> <NULL> - { - left = ComparisonExpression.createIsNotNull(left); - } - )* - ) - { - return left; - } -} - -Expression comparisonExpression() : -{ - Expression left; - Expression right; - Expression low; - Expression high; - String t, u; - boolean not; - ArrayList list; -} -{ - ( - left = addExpression() - ( - - ">" right = addExpression() - { - left = ComparisonExpression.createGreaterThan(left, right); - } - | - ">=" right = addExpression() - { - left = ComparisonExpression.createGreaterThanEqual(left, right); - } - | - "<" right = addExpression() - { - left = ComparisonExpression.createLessThan(left, right); - } - | - "<=" right = addExpression() - { - left = ComparisonExpression.createLessThanEqual(left, right); - } - | - { - u=null; - } - <LIKE> t = stringLitteral() - [ <ESCAPE> u = stringLitteral() ] - { - left = ComparisonExpression.createLike(left, t, u); - } - | - LOOKAHEAD(2) - { - u=null; - } - <NOT> <LIKE> t = stringLitteral() [ <ESCAPE> u = stringLitteral() ] - { - left = ComparisonExpression.createNotLike(left, t, u); - } - | - <BETWEEN> low = addExpression() <AND> high = addExpression() - { - left = ComparisonExpression.createBetween(left, low, high); - } - | - LOOKAHEAD(2) - <NOT> <BETWEEN> low = addExpression() <AND> high = addExpression() - { - left = ComparisonExpression.createNotBetween(left, low, high); - } - | - <IN> - "(" - t = stringLitteral() - { - list = new ArrayList(); - list.add( t ); - } - ( - "," - t = stringLitteral() - { - list.add( t ); - } - - )* - ")" - { - left = ComparisonExpression.createInFilter(left, list); - } - | - LOOKAHEAD(2) - <NOT> <IN> - "(" - t = stringLitteral() - { - list = new ArrayList(); - list.add( t ); - } - ( - "," - t = stringLitteral() - { - list.add( t ); - } - - )* - ")" - { - left = ComparisonExpression.createNotInFilter(left, list); - } - - )* - ) - { - return left; - } -} - -Expression addExpression() : -{ - Expression left; - Expression right; -} -{ - left = multExpr() - ( - LOOKAHEAD( ("+"|"-") multExpr()) - ( - "+" right = multExpr() - { - left = ArithmeticExpression.createPlus(left, right); - } - | - "-" right = multExpr() - { - left = ArithmeticExpression.createMinus(left, right); - } - ) - - )* - { - return left; - } -} - -Expression multExpr() : -{ - Expression left; - Expression right; -} -{ - left = unaryExpr() - ( - "*" right = unaryExpr() - { - left = ArithmeticExpression.createMultiply(left, right); - } - | - "/" right = unaryExpr() - { - left = ArithmeticExpression.createDivide(left, right); - } - | - "%" right = unaryExpr() - { - left = ArithmeticExpression.createMod(left, right); - } - - )* - { - return left; - } -} - - -Expression unaryExpr() : -{ - String s=null; - Expression left=null; -} -{ - ( - LOOKAHEAD( "+" unaryExpr() ) - "+" left=unaryExpr() - | - "-" left=unaryExpr() - { - left = UnaryExpression.createNegate(left); - } - | - <NOT> left=unaryExpr() - { - left = UnaryExpression.createNOT( asBooleanExpression(left) ); - } - | - left = primaryExpr() - ) - { - return left; - } - -} - -Expression primaryExpr() : -{ - Expression left=null; -} -{ - ( - left = literal() - | - left = variable() - | - "(" left = orExpression() ")" - ) - { - return left; - } -} - - - -ConstantExpression literal() : -{ - Token t; - String s; - ConstantExpression left=null; -} -{ - ( - ( - s = stringLitteral() - { - left = new ConstantExpression(s); - } - ) - | - ( - t = <DECIMAL_LITERAL> - { - left = ConstantExpression.createFromDecimal(t.image); - } - ) - | - ( - t = <HEX_LITERAL> - { - left = ConstantExpression.createFromHex(t.image); - } - ) - | - ( - t = <OCTAL_LITERAL> - { - left = ConstantExpression.createFromOctal(t.image); - } - ) - | - ( - t = <FLOATING_POINT_LITERAL> - { - left = ConstantExpression.createFloat(t.image); - } - ) - | - ( - <TRUE> - { - left = ConstantExpression.TRUE; - } - ) - | - ( - <FALSE> - { - left = ConstantExpression.FALSE; - } - ) - | - ( - <NULL> - { - left = ConstantExpression.NULL; - } - ) - ) - { - return left; - } -} - -String stringLitteral() : -{ - Token t; - StringBuffer rc = new StringBuffer(); - boolean first=true; -} -{ - t = <STRING_LITERAL> - { - // Decode the sting value. - String image = t.image; - for( int i=1; i < image.length()-1; i++ ) { - char c = image.charAt(i); - if( c == '\'' ) - i++; - rc.append(c); - } - return rc.toString(); - } -} - -PropertyExpression variable() : -{ - Token t; - PropertyExpression left=null; -} -{ - ( - t=<ID> - { - left = new PropertyExpression(t.image); - } - | - t = <QUOTED_ID> - { - // Decode the string value. - StringBuffer rc = new StringBuffer(); - String image = t.image; - for( int i=1; i < image.length()-1; i++ ) { - char c = image.charAt(i); - if( c == '"' ) - i++; - rc.append(c); - } - return new PropertyExpression(rc.toString()); - } - ) - { - return left; - } -} --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@qpid.apache.org For additional commands, e-mail: commits-h...@qpid.apache.org
